Package org.apache.derby.impl.sql.execute.rts

Class RunTimeStatisticsImpl

  • All Implemented Interfaces:
    RunTimeStatistics
    public final class RunTimeStatisticsImpl
extends java.lang.Object
implements RunTimeStatistics
    RunTimeStatistics implemenation.

    • Field Detail

      • statementText

        public java.lang.String statementText

      • statementName

        public java.lang.String statementName

      • spsName

        public java.lang.String spsName

      • parseTime

        public long parseTime

      • bindTime

        public long bindTime

      • optimizeTime

        public long optimizeTime

      • generateTime

        public long generateTime

      • compileTime

        public long compileTime

      • executeTime

        public long executeTime

      • beginCompilationTimestamp

        public java.sql.Timestamp beginCompilationTimestamp

      • endCompilationTimestamp

        public java.sql.Timestamp endCompilationTimestamp

      • beginExecutionTimestamp

        public java.sql.Timestamp beginExecutionTimestamp

      • endExecutionTimestamp

        public java.sql.Timestamp endExecutionTimestamp

    • Constructor Detail

      • RunTimeStatisticsImpl

        public RunTimeStatisticsImpl​(java.lang.String spsName,
                             java.lang.String statementName,
                             java.lang.String statementText,
                             long compileTime,
                             long parseTime,
                             long bindTime,
                             long optimizeTime,
                             long generateTime,
                             long executeTime,
                             java.sql.Timestamp beginCompilationTimestamp,
                             java.sql.Timestamp endCompilationTimestamp,
                             java.sql.Timestamp beginExecutionTimestamp,
                             java.sql.Timestamp endExecutionTimestamp,
                             ResultSetStatistics[] subqueryTrackingArray,
                             ResultSetStatistics topResultSetStatistics)

    • Method Detail

      • getCompileTimeInMillis

        public long getCompileTimeInMillis()
        Get the total compile time for the associated query in milliseconds. Compile time can be divided into parse, bind, optimize and generate times.
        Specified by:
        getCompileTimeInMillis in interface RunTimeStatistics
        Returns:
        long The total compile time for the associated query in milliseconds.

      • getParseTimeInMillis

        public long getParseTimeInMillis()
        Get the parse time for the associated query in milliseconds.
        Specified by:
        getParseTimeInMillis in interface RunTimeStatistics
        Returns:
        long The parse time for the associated query in milliseconds.

      • getBindTimeInMillis

        public long getBindTimeInMillis()
        Get the bind time for the associated query in milliseconds.
        Specified by:
        getBindTimeInMillis in interface RunTimeStatistics
        Returns:
        long The bind time for the associated query in milliseconds.

      • getOptimizeTimeInMillis

        public long getOptimizeTimeInMillis()
        Get the optimize time for the associated query in milliseconds.
        Specified by:
        getOptimizeTimeInMillis in interface RunTimeStatistics
        Returns:
        long The optimize time for the associated query in milliseconds.

      • getGenerateTimeInMillis

        public long getGenerateTimeInMillis()
        Get the generate time for the associated query in milliseconds.
        Specified by:
        getGenerateTimeInMillis in interface RunTimeStatistics
        Returns:
        long The generate time for the associated query in milliseconds.

      • getExecuteTimeInMillis

        public long getExecuteTimeInMillis()
        Get the execute time for the associated query in milliseconds.
        Specified by:
        getExecuteTimeInMillis in interface RunTimeStatistics
        Returns:
        long The execute time for the associated query in milliseconds.

      • getBeginCompilationTimestamp

        public java.sql.Timestamp getBeginCompilationTimestamp()
        Get the timestamp for the beginning of query compilation.
        Specified by:
        getBeginCompilationTimestamp in interface RunTimeStatistics
        Returns:
        java.sql.Timestamp The timestamp for the beginning of query compilation.

      • getEndCompilationTimestamp

        public java.sql.Timestamp getEndCompilationTimestamp()
        Get the timestamp for the end of query compilation.
        Specified by:
        getEndCompilationTimestamp in interface RunTimeStatistics
        Returns:
        java.sql.Timestamp The timestamp for the end of query compilation.

      • getBeginExecutionTimestamp

        public java.sql.Timestamp getBeginExecutionTimestamp()
        Get the timestamp for the beginning of query execution.
        Specified by:
        getBeginExecutionTimestamp in interface RunTimeStatistics
        Returns:
        java.sql.Timestamp The timestamp for the beginning of query execution.

      • getEndExecutionTimestamp

        public java.sql.Timestamp getEndExecutionTimestamp()
        Get the timestamp for the end of query execution.
        Specified by:
        getEndExecutionTimestamp in interface RunTimeStatistics
        Returns:
        java.sql.Timestamp The timestamp for the end of query execution.

      • getStatementName

        public java.lang.String getStatementName()
        Get the name of the associated query or statement. (This will be an internally generated name if the user did not assign a name.)
        Specified by:
        getStatementName in interface RunTimeStatistics
        Returns:
        java.lang.String The name of the associated query or statement.

      • getSPSName

        public java.lang.String getSPSName()
        Get the name of the Stored Prepared Statement for the statement.
        Specified by:
        getSPSName in interface RunTimeStatistics
        Returns:
        java.lang.String The SPS name of the associated query or statement.

      • getStatementText

        public java.lang.String getStatementText()
        Get the text for the associated query or statement.
        Specified by:
        getStatementText in interface RunTimeStatistics
        Returns:
        java.lang.String The text for the associated query or statement.

      • getEstimatedRowCount

        public double getEstimatedRowCount()
        Get the estimated row count for the number of rows returned by the associated query or statement.
        Specified by:
        getEstimatedRowCount in interface RunTimeStatistics
        Returns:
        The estimated number of rows returned by the associated query or statement.

      • getStatementExecutionPlanText

        public java.lang.String getStatementExecutionPlanText()
        Get the execution plan for the associated query or statement as a String.
        Specified by:
        getStatementExecutionPlanText in interface RunTimeStatistics
        Returns:
        java.lang.String The execution plan for the associated query or statement.

      • getScanStatisticsText

        public java.lang.String getScanStatisticsText()
        Get the information on the nodes relating to table and index scans from the execution plan for the associated query or statement as a String.
        Specified by:
        getScanStatisticsText in interface RunTimeStatistics
        Returns:
        java.lang.String The nodes relating to table and index scans from the execution plan for the associated query or statement.

      • getScanStatisticsText

        public java.lang.String getScanStatisticsText​(java.lang.String tableName)
        Get the information on the nodes relating to table and index scans for table tableName from the execution plan for the associated query or statement as a String.
        Specified by:
        getScanStatisticsText in interface RunTimeStatistics
        Parameters:
        tableName - table for which user seeks statistics.
        Returns:
        java.lang.String The nodes relating to table and index scans from the execution plan for the associated query or statement for tableName.

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • getChildren

        public java.util.Vector<ResultSetStatistics> getChildren()
        Get the objects to be displayed when this tree object is expanded.

        The objects returned can be of any type, including addtional Inspectables.

        Returns:
        java.util.Vector A vector of objects.

      • acceptFromTopResultSet

        public void acceptFromTopResultSet​(XPLAINVisitor v)
        initiate a visit of an XPLAINVisitor from the top of the RS tree
        Specified by:
        acceptFromTopResultSet in interface RunTimeStatistics
        Parameters:
        v - the visitor that wishes to visit the tree.